Updated directions on HttpTesterMessage model
Removed the note in the release notes, as the model is new as of this release.
Fixes #324 - Removed migrations from messagelog
made intro easier to see a quick list of changes; fixed a few typos; added Scheduling support
Merge branch 'release-0.12.0' of github.com:rapidsms/rapidsms into release-0.12.0
add test report at bottom of release notes
Merge remote-tracking branch 'remotes/origin/release-0.12.0' into 223-registration

Branch: 223-registration
Refs #223: registration - show links even for nameless contacts

Branch: 223-registration